Suppose three coins are tossed. Let S be the random variable representing
the number of heads that occur. Determine the sample space and the values of a
random variable
Sample space: {HHH, HHT, HTH, THH, HTT, THT, TTH, TTT}
P(S=0)=18.P(S=0)=\frac{1}{8}.P(S=0)=81.
P(S=1)=38.P(S=1)=\frac{3}{8}.P(S=1)=83.
P(S=2)=38.P(S=2)=\frac{3}{8}.P(S=2)=83.
P(S=3)=18.P(S=3)=\frac{1}{8}.P(S=3)=81.
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